Why Liv Tyler feels distracted by Justin Theroux

Liv Tyler clearly knows what she's talking about. The Lord of the Rings actress co-stars in a TV series with Justin Theroux.

Liv Tyler had her big break in one of her dad, Steve Tyler's music videos in 1994. Pic/Getty Images

The show takes place in the wake of a global rapture, which causes the unexplainable disappearance of two per cent of the world population.

Despite the serious nature of the plot, Liv found some light relief in part of the pilot. And guess how!

"There was this scene where Justin was jogging," the 37-year-old explained during an appearance on a chat show, "and there was quite a large bulge in his sweatpants and it was all over. I get distracted when I watch the pilot, definitely, I'm like, 'Can't help but look there.' But I've never noticed the bulge other times."

Justin Theroux

The scene in question was shot in June with Justin — who is currently engaged to Jennifer Aniston — wearing a grey T-shirt and matching sweat pants and seemingly going commando.

But the 42-year-old wasn't the only man Liv had nice things to say about during her TV appearance. She also talked about the positive and negative things of being the daughter of Aerosmith frontman Steve Tyler.